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Reincubation of culture-negative urines for an additional 20 hours does not identify additional UTI cases
Author(s) -
Kaan Kocer,
Stefan Zimmermann,
Irene Burckhardt
Publication year - 2020
Publication title -
journal of medical microbiology/journal of medical microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 117
eISSN - 1473-5644
pISSN - 0022-2615
DOI - 10.1099/jmm.0.001104
Subject(s) - incubation , urine , incubation period , medicine , microbiology and biotechnology , biology , biochemistry
. The question of whether a single day of incubation is sufficient for urine cultures has been a matter of debate. Aim. The aim of this study was to investigate the potential benefit of prolonged incubation for initially culture-negative urines. Methodology. Eight hundred and twelve urine specimens with no growth after incubation for 20 h were incubated for an additional 20 h to detect slower growing uropathogenic organisms. Results. This study included a considerable number of urine cultures from immunocompromised and/or kidney-transplanted patients. For 99.9 % of the specimens, there was no difference in the interpretation of results. Conclusion. Twenty hours of incubation did not have any negative effect on the detection of uropathogens.

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